<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>02_新增状态标签</title>
    <style>
      progress {
        width: 100%;
        height: 20px;
      }
    </style>
  </head>

  <body>
    <span>手机电量:</span>
    <meter max="100" min="0" value="90" low="20" high="80" optimum="90"></meter>
    <hr />
    <span>当前进度</span>
    <progress max="100" value="50"></progress>
  </body>
</html>
